Fix missing DisplayMode attribute in DataGridRemoteData.razor demo (#3728) (#3729)

Author: johnW-ret

examples/Demo/Shared/Pages/DataGrid/Examples/DataGridRemoteData.razor

@@ -8,6 +8,7 @@
                     ItemsProvider="foodRecallProvider"
                     OnRowDoubleClick="@(()=>DemoLogger.WriteLine("Row double clicked!"))"
                     Virtualize="true"
+                    DisplayMode="DataGridDisplayMode.Table"
                     ItemSize="46"
                     GenerateHeader="GenerateHeaderOption.Sticky"
                     TGridItem="FoodRecall" >